Gold Nanoparticle Enlargement Coupled with Fluorescence Quenching for Highly Sensitive Detection of Analytes

Langmuir ◽  
2009 ◽  
Vol 25 (23) ◽  
pp. 13302-13305 ◽  
Author(s):  
Seong Yoon Lim ◽  
Jae Hong Kim ◽  
Joon Seok Lee ◽  
Chan Beum Park
Keyword(s):  
Fluorescence Quenching ◽  
Gold Nanoparticle ◽  
Sensitive Detection ◽  
Highly Sensitive ◽  
Highly Sensitive Detection

Highly Sensitive Detection of Target Biomolecules on Cell Surface Using Gold Nanoparticle Conjugated with Aptamer Probe

2012 ◽  
Vol 51 ◽  
pp. 06FH01
Author(s):  
Hyonchol Kim ◽  
Hideyuki Terazono ◽  
Masahito Hayashi ◽  
Hiroyuki Takei ◽  
Kenji Yasuda
Keyword(s):  
Cell Surface ◽  
Gold Nanoparticle ◽  
Sensitive Detection ◽  
Highly Sensitive ◽  
Aptamer Probe ◽  
Highly Sensitive Detection

Highly Sensitive Detection of Amoxicillin Based on Gold Nanoparticle-Modified ITO Electrode

2013 ◽  
Vol 3 (2) ◽  
pp. P14-P16 ◽  
Author(s):  
T. R. Chowdhury ◽  
A. A. Shaikh ◽  
H. Akter ◽  
M. M. Neaz ◽  
P. K. Bakshi ◽  
...  
Keyword(s):  
Gold Nanoparticle ◽  
Sensitive Detection ◽  
Ito Electrode ◽  
Highly Sensitive ◽  
Highly Sensitive Detection

Highly sensitive detection for cocaine using an aptamer–cocaine–aptamer method

2020 ◽  
Vol 44 (6) ◽  
pp. 2571-2577 ◽  
Author(s):  
Li Gao ◽  
Huixing Wang ◽  
Zebin Deng ◽  
Wenwen Xiang ◽  
Haifeng Shi ◽  
...  
Keyword(s):  
Composite Material ◽  
Gold Nanoparticle ◽  
Molybdenum Disulfide ◽  
False Positive ◽  
Physical Adsorption ◽  
Sensitive Detection ◽  
Highly Sensitive ◽  
Highly Sensitive Detection

In this study, a thiol-modified aptamer was immobilized on a gold nanoparticle-modified molybdenum disulfide composite material (MoS2@AuNPs), which could remove the interference of physical adsorption and reduce false positive signals.

Highly sensitive detection of cobalt through fluorescence changes in β-cyclodextrin-bimane complexes

2020 ◽  
Vol 56 (81) ◽  
pp. 12126-12129
Author(s):  
Apurba Pramanik ◽  
Sara Amer ◽  
Flavio Grynszpan ◽  
Mindy Levine
Keyword(s):  
Solid State ◽  
Fluorescence Quenching ◽  
Sensitive Detection ◽  
Cyclodextrin Complex ◽  
Highly Sensitive ◽  
Highly Sensitive Detection

Cobalt detection is accomplished via efficient fluorescence quenching of a bimane-β-cyclodextrin complex, both in solution and in the solid state.

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